Home / 376,186,997.80-519,214,431.72-217,423,864.72

Finding the Fourth Proportional to 376,186,997.80, 519,214,431.72 and 217,423,864.72

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Solution

The fourth proportional to 376,186,997.80, 519,214,431.72 and 217,423,864.72 is: 300,089,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,186,997.80 : 519,214,431.72 = 217,423,864.72 : x
  2. Step 2: Convert to fraction form
    376,186,997.80/519,214,431.72 = 217,423,864.72/x
  3. Step 3: Cross multiply
    376,186,997.80x = 519,214,431.72 × 217,423,864.72
  4. Step 4: Simplify right side
    376,186,997.80x = 112,889,608,362,960,960
  5. Step 5: Solve for x
    x = 112,889,608,362,960,960/376,186,997.80
  6. Step 6: Final answer
    x = 300,089,075.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.